Month: December 2009

Defining a trapezoid

This is the cue for my students to roll their eyes… Yesterday I got into a heated discussion with another math teacher about an important issue: how to define a trapezoid. He was arguing in favor of the position that… Read More ›

Comic Sans Redux

If you’re a long-time reader of this blog, you will recall that I wrote a post four years ago entitled, “Ban Comic Sans!”, in which I linked to the ban comic sans site. Now Gizmodo has a new take on… Read More ›